365 / 180 = 2.0277777777777…
Adding 180 days to September 9 on a non-leap year gives March 7 of the following year. Adding 180 days to September on a leap year gives March 6 of the following year.
In a non-leap year, adding 180 days to January 9 gives July 8. In a leap year, adding 180 days to January 9 gives July 7.
Heading into a non-leap year, adding 180 days to December 21 gives June 19 of the following year. Heading into a leap year, adding 180 days to December 21 gives June 18 of the following year.
Adding 180 days to January 17 on a non-leap year gives July 16. Adding 180 days to January 17 on a leap year gives July 15.
Leap year 3/30 Non leap year 3/31
Adding 180 days to September 13 leading into a non-leap year gives March 12 of the following year. Adding 180 days to September 13 leading into a leap year gives March 11 of the following year.
Heading into a non-leap year, adding 180 days to October 18 gives April 16 of the following year. Heading into a leap year, adding 180 days to October 18 gives April 15 of the following year.
180 days in a normal year, 181 days in a leap year.
The 13th of March is 180 days before it. The 8th of March is 180 days after it, except when that March is in a leap year, in which case the 7th of March is 180 days after it.
In a normal year, adding 180 days to January 18 gives July 17 of the same year. Adding 180 days to January 18 in a leap year gives July 16.
The 23rd of June in a normal year and the 22nd of June in a leap year.
180 over 365. If you reduce it, the answer is 36 over 73.